1) Biết 3https:https://LogaVN.net/image/faq/data2/216985_.https://LogaVN.net/image/faq/data2/216985_.LogaVN.nethttps://LogaVN.net/image/faq/data2/216985_.imagehttps://LogaVN.net/image/faq/data2/216985_.faqhttps://LogaVN.net/image/faq/data2/216985_.data2https://LogaVN.net/image/faq/data2/216985_.563596_.7 số học sinh lớp 6B thích chơi bóng đá là 18 bạn. Hỏi lớp 6B có bao nhiêu học sinh?
Gọi số hs là__(mình chỉ hỏi phần này thui)(biểu diễn theo x).
Ta có:___.3https:https://LogaVN.net/image/faq/data2/216985_.https://LogaVN.net/image/faq/data2/216985_.LogaVN.nethttps://LogaVN.net/image/faq/data2/216985_.imagehttps://LogaVN.net/image/faq/data2/216985_.faqhttps://LogaVN.net/image/faq/data2/216985_.data2https://LogaVN.net/image/faq/data2/216985_.563596_.7=18
Vậy ___=18:3https:https://LogaVN.net/image/faq/data2/216985_.https://LogaVN.net/image/faq/data2/216985_.LogaVN.nethttps://LogaVN.net/image/faq/data2/216985_.imagehttps://LogaVN.net/image/faq/data2/216985_.faqhttps://LogaVN.net/image/faq/data2/216985_.data2https://LogaVN.net/image/faq/data2/216985_.563596_.7=42
Đáp số:42 hs
